Scaffolding coupling pin



FIG. 1 is a perspective view of the scaffolding coupling pin, showing mynew design;

FIG. 2 is a left side elevational view thereof, the right side being amirror image;

FIG. 3 is a rear side elevational view thereof;

FIG. 4 is a front side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

The ornamental design for a scaffolding coupling pin, as shown anddescribed.